greke'a lujvo

x1=k1 is a hole in x2=k2=p2 to/between x3=p3 from/and x4=p4 permitting passage by x5=p1.

pagre + kevna. Precisely, x2 is the barrier, x3 is the inside, and x4 is the outside, if distinguishable; loosely, x2 might be given as the object consisting of both the barrier and the inside.


In notes:

gregau
g1 makes x2=p1 pass through x3=p2 to destination side x4=p3 from origin side x5=p4.
rajgreke'a
x1=k1 is a shaft in x2=k2=p2 to/between x3=p3 from/and x4=p4 permitting passage by x5=p1.
torxesrtubnu
x1 is a tube/hole/tunnel through (topological) torus x2.